When did Benjamin Franklin fly his kite in a thunderstorm? July 28, 2020 by Pamela Landy Benjamin Franklin performed the kite experiment that proved lightning is electricity in 1751. Related Answers Which was larger, the landslide that elected Herbert Hoover to the presidency in 1928 or the landslide that removed him in 1932? Who were the American diplomats who negotiated the treaty that ended the Revolutionary War? Who provided the voice of the brain with which Steve Martin falls in love in The Man With Two Brains (1983)? How large was the brain set in Fantastic Voyage (1966)? How fast can birds fly? Which Wright brother was the first person to fly in an airplane?